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Published on: 6/3/2001
Last Visited: 9/11/2002
"In the US, three out of five adults are at least overweight and the number that is in the obese range is about 20% to 30%," said David Thompson, of Innovus Research Inc, a private health institute in Boston.
"That prevalence of obesity is far higher than other advanced countries and that is why the economic burden of obesity is so much higher as well."
In a review of the evidence to date on the economic burden of obesity, Dr. Thompson and his colleagues found that in France and Australia only 2% of healthcare costs were due to obesity, compared with 2.4% in Canada, 3.5% in Portugal and 2.5% in New Zealand.
Figures were not available for other nations.In most European countries the obesity levels range from 10% to 20%.
"It is fair to say that to the extent that other countries are going to follow in the footsteps of the US population the economic burden of obesity will increase in those countries as well," Thompson, a health economist, said.
The analysis covered the costs of obesity-related disease, but did not include the treatment of obesity itself.The diet and fitness industry in the US alone accounts for some $30 billion annually, according to Thompson.
Treating heart disease in the US costs an estimated $50 billion, similar to the amount spent on diabetes.Hypertension treatments account for some $15 billion and stroke $18 billion.
"The most recent estimate of the burden of obesity is $70 million.Obesity is higher than all of these big ticket items because three out of five adults are obese, but three out of five don't have coronary heart disease," Thompson explained.
"It is a prevalence issue as well as the fact that obesity is a risk factor for so many different diseases," he added.
More than 300 million people around the globe are obese.About 115 million live in developed countries where high-fat diets and lack of exercise have led to rising levels of overweight and obese people.
More than 2,500 doctors, researchers and health officials are attending the 4-day conference that began on Wednesday.
© 2001 Reuters Limited.